3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Math/tan/length.js b/js/src/tests/test262/built-ins/Math/tan/length.js
index 0915527693..7a21afa332 100644
--- a/js/src/tests/test262/built-ins/Math/tan/length.js
+++ b/js/src/tests/test262/built-ins/Math/tan/length.js
@@ -22,10 +22,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.tan.length, 1);
-
-verifyNotEnumerable(Math.tan, "length");
-verifyNotWritable(Math.tan, "length");
-verifyConfigurable(Math.tan, "length");
+verifyProperty(Math.tan, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/name.js b/js/src/tests/test262/built-ins/Math/tan/name.js
index e1f3e188d2..25bed1b1e1 100644
--- a/js/src/tests/test262/built-ins/Math/tan/name.js
+++ b/js/src/tests/test262/built-ins/Math/tan/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.tan.name, "tan");
-
-verifyNotEnumerable(Math.tan, "name");
-verifyNotWritable(Math.tan, "name");
-verifyConfigurable(Math.tan, "name");
+verifyProperty(Math.tan, "name", {
+  value: "tan",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js
index ea79382a35..f57677cac0 100644
--- a/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.tan), false, 'isConstructor(Math.tan) must r
 
 assert.throws(TypeError, () => {
   new Math.tan();
-}, '`new Math.tan()` throws TypeError');
+});
 
 
 reportCompare(0, 0);